Microsoft showed some DirectX 11.2 stuff at their Build Conference. MS says DX11.2 is for Windows 8.1 and Xbox One only.
Day 1 keynote video: http://channel9.msdn.com/Events/Build/2013/1-001
DX11.2 Tiled Resources demo starts at the 1-hour mark. TS allows for more detailed surfaces when viewed up close. Works on DX11 cards.
Crappy YT version of Tiled Resources demo: http://www.youtube.com/watch?v=EswYdzsHKMc
DX11.2 at MS dev network: http://msdn.microsoft.com/en-us/library/windows/apps/bg182880.aspx
EDIT:
Massive Virtual Textures for Games: Direct3D Tiled Resources: http://channel9.msdn.com/Events/Build/2013/4-063
http://video.ch9.ms/sessions/build/2013/4-063.wmv
http://video.ch9.ms/sessions/build/2013/4-063.pptx
http://graphinesoftware.com/Graphine-in-the-Microsoft-build-keynote-and-tiled-resources-talk
Day 1 keynote video: http://channel9.msdn.com/Events/Build/2013/1-001
DX11.2 Tiled Resources demo starts at the 1-hour mark. TS allows for more detailed surfaces when viewed up close. Works on DX11 cards.
Crappy YT version of Tiled Resources demo: http://www.youtube.com/watch?v=EswYdzsHKMc
DX11.2 at MS dev network: http://msdn.microsoft.com/en-us/library/windows/apps/bg182880.aspx
EDIT:
Massive Virtual Textures for Games: Direct3D Tiled Resources: http://channel9.msdn.com/Events/Build/2013/4-063
http://video.ch9.ms/sessions/build/2013/4-063.wmv
http://video.ch9.ms/sessions/build/2013/4-063.pptx
http://graphinesoftware.com/Graphine-in-the-Microsoft-build-keynote-and-tiled-resources-talk